Home / 1,283,425.66-1,922,370.85-1,207,967.78

Finding the Fourth Proportional to 1,283,425.66, 1,922,370.85 and 1,207,967.78

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Solution

The fourth proportional to 1,283,425.66, 1,922,370.85 and 1,207,967.78 is: 1,809,346.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,425.66 : 1,922,370.85 = 1,207,967.78 : x
  2. Step 2: Convert to fraction form
    1,283,425.66/1,922,370.85 = 1,207,967.78/x
  3. Step 3: Cross multiply
    1,283,425.66x = 1,922,370.85 × 1,207,967.78
  4. Step 4: Simplify right side
    1,283,425.66x = 2,322,162,053,710.14
  5. Step 5: Solve for x
    x = 2,322,162,053,710.14/1,283,425.66
  6. Step 6: Final answer
    x = 1,809,346.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.